Add 80/14 and 42/12, Solve 5 10/14 + 3 6/12 as a fraction

Add 80/14 and 42/12

1^st number: 5 10/14, 2^nd number: 3 6/12

80/14 + 42/12 is 129/14.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
80/14 = 80 × 6/14 × 6 = 480/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
42/12 = 42 × 7/12 × 7 = 294/84
Add the two like fractions:
480/84 + 294/84 = 480 + 294/84 = 774/84
774/84 simplified gives 129/14
So, 80/14 + 42/12 = 129/14
In mixed form: 93/14

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